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120000002200121 = 297356683987813
BaseRepresentation
bin11011010010001110101101…
…100000010001001000111001
3120201212212222110220210221102
4123102032231200101020321
5111212040001030400441
61103115123500021145
734163466630656411
oct3322165540211071
9521785873823842
10120000002200121
113526579593719a
1211560979b317b5
1351c5c4aa1a214
14218c061483641
15dd171e93c69b
hex6d23ad811239

120000002200121 has 8 divisors (see below), whose sum is σ = 125838452947080. Its totient is φ = 114274919428992.

The previous prime is 120000002200109. The next prime is 120000002200123. The reversal of 120000002200121 is 121002200000021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11683134163600 + 108316868036521 = 3418060^2 + 10407539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120000002200121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120000002200123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28341991790 + ... + 28341996023.

It is an arithmetic number, because the mean of its divisors is an integer number (15729806618385).

Almost surely, 2120000002200121 is an apocalyptic number.

It is an amenable number.

120000002200121 is a deficient number, since it is larger than the sum of its proper divisors (5838450746959).

120000002200121 is an equidigital number, since it uses as much as digits as its factorization.

120000002200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56683987915.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120000002200121 its reverse (121002200000021), we get a palindrome (241002202200142).

The spelling of 120000002200121 in words is "one hundred twenty trillion, two million, two hundred thousand, one hundred twenty-one".

Divisors: 1 29 73 2117 56683987813 1643835646577 4137931110349 120000002200121